CA1239320A - Hemostatic clip with penetration means - Google Patents
Hemostatic clip with penetration meansInfo
- Publication number
- CA1239320A CA1239320A CA000455529A CA455529A CA1239320A CA 1239320 A CA1239320 A CA 1239320A CA 000455529 A CA000455529 A CA 000455529A CA 455529 A CA455529 A CA 455529A CA 1239320 A CA1239320 A CA 1239320A
- Authority
- CA
- Canada
- Prior art keywords
- clip
- vessel
- closed
- leg member
- leg
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/122—Clamps or clips, e.g. for the umbilical cord
Abstract
HEMOSTATIC CLIP WITH PENETRATION MEANS
Abstract An improved hemostatic clip. The clip has a pair of leg members which pivot about a hinge from an open to a closed position. The clip includes latch means to hold the clip closed. The latch means includes penetrating means to assist in placing the clip about vessels still joined to connective tissue.
Abstract An improved hemostatic clip. The clip has a pair of leg members which pivot about a hinge from an open to a closed position. The clip includes latch means to hold the clip closed. The latch means includes penetrating means to assist in placing the clip about vessels still joined to connective tissue.
Description
Sue HEMOSTATIC CLIP loath PE~ETRATIO~l Meals The present invention relates to hemostatic clips and more particularly to hemostatic clips fabricated from absorb-able and non-absorbable polymeric materials.
Background Of The Invention in In many surgical procedures it is often necessary to ligate a plurality of vessels in the surgical site. The vessels may then be severed down-stream of the ligated portion. In some instances the vessel may be ligated at spaced apart areas and the portion of the vessel between the ligation removed. The primary reason for ligating the vessels is to maintain the surgical site free from an excess of blood and to reduce blood loss in the patient.
Also, in certain surgical procedures wherein tumors or parts of organs and the like are to be removed, the tutor or organ may have to be separated from certain vessels, and before separating the vessels will have to be ligated.
In the past, the closing of the vessel was usually accom-polished using ligatures; that is, threads or filaments which the surgeon ties around the vessel desired to be closed, a very time consuming process and one in which positive closure of the vessel is not always accomplished.
In relatively recent years hemostatic clips have replaced the ligatures in many surgical procedures to close blood vessels and other small fluid ducts, These hemostatic clips have been narrow U-shaped or V-shaped strips made from tantalum or stainless steel which are capable of being deformed and possess sufficient strength to retain the deformation when clamped about a blood vessel.
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Representative hemostatic clips of the prior art are best illustrated in US. Patents Nos. 3 ,~67,944, 3,631,707, 3,439,523, 3,439,52', 3 ,666 ,62~, 3 ,312 ,216, and 3,270,745.
5 Very recently the hemostatic clips jade from absorbable or non-absorbable polymeric materials have been developed and are being used in various surgical procedures. These polymeric hemostatic clips are more fully described and disclosed in Canadian patents 1,157,335 and 1,157,334.
The polymeric clips described generally comprise a pair of leg members attached in some manner at their proximal ends. Very often this attachment is in the form of a 15 resilient hinge portion although other means of attachment may be used. The leg members contain smooth nnersurfaces disposed towards one another and called the vessel clamp-in surfaces. It is these surfaces which contact the vessel and close the vessel when the clip is closed. The 20 distal ends of the leg member terminate in an interlocking latch means. The latch means must extent beyond the vessel to be clamped and clear the vessel in order to lock.
25 Unlike the metal clips which may be deformed about a vessel, the polymeric hemostatic clip as described above latches over the vessel and, hence, surrounds the entire vessel, This means that to use such clips made from the absorbable or non-absorbable polymeric materials, the 30 vessel to be ligated must be free or fully dissected from the surrounding tissue 50 that the clip may entirely encircle the periphery of the vessel, In many surgical procedures there are a number of small vessels and for the surgeon to have to fully dissect these vessels is a very 35 time consuming process. With the metal clip the surgeon does not have to dissect these vessels but can place the ETHOS
lZ3~ 0 clip on the vessel and about surrounding tissue and deform the clip so that it closes the vessel. This is not true with the clips made from polymeric materials.
An object of the present invention is to produce a clip from absorbable and non-absorbable polymeric materials which may be used to close vessels which have not been fully dissected from the surrounding tissue.
Another object of the present invention is to reduce the time required in a surgical procedure to place hemostatic clips made from polymeric materials.
It is yet another object of the present invention to pro-dupe a hemostatic clip from polymeric materials wherein the clip ha a latch means that can part the tissue and engage and lock the clip about the vessel although there is tissue adjacent the vessel to be closed.
These and other objects of the present invention will be more fully understood from the following description and drawings.
fumier Of The Present Invention The present invention provides an improvement in a hero-static clip made from absorbable or non-absorbable polyp metric materials. The clips comprise a pair of leg members attached at their proximal ends, In the preferred embody-mints of the clips of the present invention the leg members are attached at their proximal ends in a resilient hinge portion. The leg members include vessel clamping inner surfaces disposed towards one another. The distal ends of the leg members terminate in interlocking latch means. In a preferred embodiment of the clip of the present invention the latch means comprises a deflectable EIGHTH
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hook portion at the distal end of one leg member which encloses the distal end of the opposite leg member when the clip is closed. The outside surface of the leg members includes means for holding and manipulating the clip using an appropriate clip applying instrument. The improvement of the present invention comprises means cooperating with the latch means to penetrate tissue adjacent toe vessel to be closed. This penetrating means aids in insuring a tissue free latch which interlocks when the leg members are closed about a vessel even if the vessel has not been fully dissected from surrounding tissue. In certain embodiments, the improvement may comprise a pointed member extending from the deflectable hook portion with the pointed member disposed so as to penetrate tissue immediately ahead of the deflectable hook portion. In other embodiments of the clips of the present invention wherein the latch means comprises a protrusion extending from one vessel clamping surface towards the opposite vessel clamping surface which protrusion interlocks with a suitable opening in the opposite vessel clamping surface, the protrusion itself may be configured by sharpening and pointing to act as the tissue penetrating means.
In a further aspect of the invention there is provided a hemostatic clip made from a polymer material, the clip comprising a pair of leg members connected at their proximal ends, the leg members diverging from each other from the proximal ends to the distal ends thereof whereby the leg members may be placed on opposite sides of the vessel to be closed, the clip having an interlocking latch means at the distal ends of the leg members, the latch means comprising a return bend deflectable hook port lion disposed at the distal end of the first leg 12393~0 - pa -member, the hook portion comprising a first section extending outwardly from and in line with the first leg member, a second section extending downwardly towards the second leg member from the outer most end of the first section and a third section extending rearwardly towards the proximal end of the leg member from the most downwardly extending end of the second section, the third section having two side surfaces top and bottom surfaces, and an end surface, the end surface extending below the general plane of the bottom surface and being tapered back to the bottom surface to form a sharp pointed member, the second leg member terminating at its distal end in a configuration to be engaged by the deflectable hook portion of the first leg member when the clip is closed, whereby when the clip is placed on a vessel to be closed and the leg members urged towards one another, the sharp pointed member of the first leg member scraps against the distal end of the second leg member to penetrate and displace connective tissue adjacent the vessel to be closed and ensure the latch means interlocks when the clip is closed about the vessel.
Brief Description Of the Drawings The invention will be more fully described in conjunction with the accompanying drawings wherein:
Figure 1 is a perspective view of an improved hemostatic clip of the present invention;
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Figure 2 is a front view taken along line 2-2 of Figure l;
Figure 3 is a front view taken along line 3-3 of Figure l;
Figure 4 is a perspective view of the clip depicted in Figure 1 in a closed position about a blood vessel;
Figure pa is a side view of a hemostatic clip of the present invention immediately prior to the clip being closed about a vessel to be ligated;
Figure 4b is a side view of the clip of Figure 4 with the clip in the fully closed position;
Figure 5 is a side view of one type of instrument that may be used in applying the clips of the present invention;
Figure 6 is an enlarged side view of an improved clip of the present invention in an open position and held in the jaws of the clip applying instrument depicted in Figure 5;
Figure 7 is an enlarged side view of the clip shown in Figure 6 in the closed position in the jaws of the instrument depicted in Figure 5;
Figure is a perspective view of another embodiment of the improve hemostatic clip of the present invention;
Detailed Description Of The Invention Referring to the drawings, there is shown an improved clip 20 of the present invention. As depicted in Figure 1, the clip comprises a pair of leg members 21 and 22 having opposed vessel clamping surfaces 23 and 24. The leg members are connected at their proximal ends by a i EIGHTH
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resilient hinge portion 25. The distal end of one of the leg members terminates in a return bend hook portion 26.
The opposite leg member is somewhat shorter and terminates at its distal end in a portion 27 which can be grasped by the hook portion. The end of this leg member is angled at an obtuse angle to the vessel clamping surface. This angle aids in deflecting the hook portion as the two leg members are brought together about the hinge and allows the hook portion to deflect and then accept the leg member in the area between the inner surface I of the hook portion and the vessel clamping surface 23 of the opposite leg member. The hook portion includes a sharpened pointed end 29 extending from the hoot portion and positioned to lead the hook portion or proceed the hook portion as the clip is being closed. As shown in Figure 2 the hook portion has a protrusion 30 dispersed from the central portion of its inner surface 23. This protrusion fits into the recess 31 positioned in the outer surface 32 of the opposite leg member 22. The protrusion and recess I interlock when the clip is closed to prevent lateral movement of the leg members. The outside surfaces of the leg members each include a cylindrical boss 33 and 34 for use in holding the clip in a suitable instrument and applying the clip from said instrument as will hereinafter be described.
us may be more clearly seen in Figure 4, pa, and 4b when the clip 40 is clamped about a vessel 41 to be closed, assuming that the vessel has not been fully dissected from the surrounding connective tissue 42, (such as would be found in the mesentary) the vessel clamping surfaces are placed on opposite sides of the vessel and the leg members urged together about the resilient hinge 43. The punter-tying sharpened end 44 of the one leg member 45 will pinch and scrape the connective tissue between itself and the gemming surface I of the other leg member 46. This : EIGHTH
1~93~0 scrapping action enhances the tissue penetrating ability of the sharpened end. Once the tissue is penetrated the usual sequence of closure takes place. As the leg menders are urged closer together the leg eyebrow 46 continues to deflect the hook portion 47 and becomes engaged by the leg member 45, thereby locking the clip in place about the vessel without tissue interference with latch security.
Though in the embodiment shown the penetrating means is a sharpened beveled end, the penetrating means may have other configurations such as a pointed end tapered at a plurality of sides, a pointed end, a plurality of pointed ends, etc.
In Figure 5 there is shown a simplified drawing of an instrument for applying the clips of the present invent lion. This instrument 50 comprises a pair of handles 51 and 52 which are connected together at a hinge point 53.
The hanflles are biased with respect to one another by a spring 54. One of handles extends beyond the hinge point on in a first jaw member 55 and the opposite handle extends beyond the hinge point in a complementary second jaw mom-bier 56. The instrument engaging means comprises cylinder-eel bosses extending from the back surfaces of the leg members of the clip 57. These bosses fit into recesses in the jaws of the instrument.
The clip is placed in the jaws with the cylindrical bases in the appropriate recesses. The vessel clasping surfaces of the clip are then placed on opposite sides of the vessel to be closed and the instrument handles urged together closing and locking the clip about the vessel and shutting off the vessel.
Figures 6 and 7 show an enlarged view of the jaws and the recesses in the jaws for holding the clip. In Figure 6 the clip Go is in the open position in the jaws 61 and 62;
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-lZ~3~33~0 (' whereas, in Figure 7 the clip 60 has been dosed by the jaws of the instrument. The clip comprises a pair of leg eyebrows 63 and I connected at their proximal ends by a resilient hinge 65. One of the leg members terminates in a return bend portion 6G which is deflectable. The other leg member terminates in an obtuse angle at its end sun-face 67. On the outer surface of each leg member is a cylindrical boss I and 69. The bosses are engaged by complementary recesses 70 and 71 in the jaws of the instrument. As may be seen, the ends of the jaws have been sloped away from the general surfaces of the jaws.
The reasons for this are more clearly seen in Figure 7.
As may be seen in Figure 7, as the leg members are urged towards one another, the deflectable hook portion is deflected and engages the end of the second leg member.
The deflectable hook portion includes a penetrating point or blade 72 which is a sharpened point. As the clip is closed, the penetrating point will separate and penetrate through the tissue still attached to the vessel to be closed. The cut-away portions of the jaws of the incitory-mint allow the deflectable portion and the sharpened point free movement about the other leg member so that the clip may be closed as is seen in Figure 7. In the preferred embodiments of the clip of the present invention as the clip is closed the point or blade scrapes along the end surface 67 of the opposite leg member. This scraping action enhances the penetration of the tissue by the penetrating point or blade.
In Figure there is shown another embodiment of the improved clip of the present invention. In this embody-mint, the clip 80 comprises a pair of leg members I and 82 connected at their proximal ends by a double strap type hinge portion 83. At the distal end of one leg member there is a sharp pointed sawed tooth protrusion I. At the distal end of the opposite leg member there is an EIGHTH
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interlocking opening I for accepting the protrusion. The leg members on each of their outer surfaces carry an appropriate instrument engaging means I for applying the clip. In use, the vessel clamping surfaces I and I are placed on opposite sides of the vessel to be closed. The legs are urged together and the sharpened protrusion rear-fly penetrates any tissue still attached or surrounding the vessel. The legs are urged together and the preheater-soon engaged by the opening in the distal end of the oppo-site leg member anal the clip locked closing the vessel.
It should be pointed out that although I've shown resin-tent hinges connecting the leg members, other types of connecting means such as non-resilient hinges or inter-locking means may be used to connect the proximal ends of the leg members. Also, as Jay be appreciated, the distal ends of the leg members may have other interlocking means.
Nat is important is that the distal end of at least one of the leg members includes or carry a penetrating means to allow that distal end to penetrate connective tissue and allow the clip to be closed and locked about the vessel thus providing hemostasis.
The clips of the present invention may be made from various polymeric materials, either absorbable or non-absorbable. Suitable absorbable polymer materials are the polymers and copolymers, of glycolides, lactides, polydioxanones, and the like. Suitable non-absorbable polymeric materials are nylon, polypropylene, polyesters, etc. The clips of the present invention are provided in a sterile state ready for medical and surgical uses.
Depending on the polymeric material used, the clips may be sterilized either by heat, radiation, ethylene oxide treatment or other well known sterilization methods.
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Having now described the present invention, it will be readily apparent to those swilled in the art that various modifications and variations Jay be made without departing from the spirit and scope of the present invention.
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Background Of The Invention in In many surgical procedures it is often necessary to ligate a plurality of vessels in the surgical site. The vessels may then be severed down-stream of the ligated portion. In some instances the vessel may be ligated at spaced apart areas and the portion of the vessel between the ligation removed. The primary reason for ligating the vessels is to maintain the surgical site free from an excess of blood and to reduce blood loss in the patient.
Also, in certain surgical procedures wherein tumors or parts of organs and the like are to be removed, the tutor or organ may have to be separated from certain vessels, and before separating the vessels will have to be ligated.
In the past, the closing of the vessel was usually accom-polished using ligatures; that is, threads or filaments which the surgeon ties around the vessel desired to be closed, a very time consuming process and one in which positive closure of the vessel is not always accomplished.
In relatively recent years hemostatic clips have replaced the ligatures in many surgical procedures to close blood vessels and other small fluid ducts, These hemostatic clips have been narrow U-shaped or V-shaped strips made from tantalum or stainless steel which are capable of being deformed and possess sufficient strength to retain the deformation when clamped about a blood vessel.
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Representative hemostatic clips of the prior art are best illustrated in US. Patents Nos. 3 ,~67,944, 3,631,707, 3,439,523, 3,439,52', 3 ,666 ,62~, 3 ,312 ,216, and 3,270,745.
5 Very recently the hemostatic clips jade from absorbable or non-absorbable polymeric materials have been developed and are being used in various surgical procedures. These polymeric hemostatic clips are more fully described and disclosed in Canadian patents 1,157,335 and 1,157,334.
The polymeric clips described generally comprise a pair of leg members attached in some manner at their proximal ends. Very often this attachment is in the form of a 15 resilient hinge portion although other means of attachment may be used. The leg members contain smooth nnersurfaces disposed towards one another and called the vessel clamp-in surfaces. It is these surfaces which contact the vessel and close the vessel when the clip is closed. The 20 distal ends of the leg member terminate in an interlocking latch means. The latch means must extent beyond the vessel to be clamped and clear the vessel in order to lock.
25 Unlike the metal clips which may be deformed about a vessel, the polymeric hemostatic clip as described above latches over the vessel and, hence, surrounds the entire vessel, This means that to use such clips made from the absorbable or non-absorbable polymeric materials, the 30 vessel to be ligated must be free or fully dissected from the surrounding tissue 50 that the clip may entirely encircle the periphery of the vessel, In many surgical procedures there are a number of small vessels and for the surgeon to have to fully dissect these vessels is a very 35 time consuming process. With the metal clip the surgeon does not have to dissect these vessels but can place the ETHOS
lZ3~ 0 clip on the vessel and about surrounding tissue and deform the clip so that it closes the vessel. This is not true with the clips made from polymeric materials.
An object of the present invention is to produce a clip from absorbable and non-absorbable polymeric materials which may be used to close vessels which have not been fully dissected from the surrounding tissue.
Another object of the present invention is to reduce the time required in a surgical procedure to place hemostatic clips made from polymeric materials.
It is yet another object of the present invention to pro-dupe a hemostatic clip from polymeric materials wherein the clip ha a latch means that can part the tissue and engage and lock the clip about the vessel although there is tissue adjacent the vessel to be closed.
These and other objects of the present invention will be more fully understood from the following description and drawings.
fumier Of The Present Invention The present invention provides an improvement in a hero-static clip made from absorbable or non-absorbable polyp metric materials. The clips comprise a pair of leg members attached at their proximal ends, In the preferred embody-mints of the clips of the present invention the leg members are attached at their proximal ends in a resilient hinge portion. The leg members include vessel clamping inner surfaces disposed towards one another. The distal ends of the leg members terminate in interlocking latch means. In a preferred embodiment of the clip of the present invention the latch means comprises a deflectable EIGHTH
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hook portion at the distal end of one leg member which encloses the distal end of the opposite leg member when the clip is closed. The outside surface of the leg members includes means for holding and manipulating the clip using an appropriate clip applying instrument. The improvement of the present invention comprises means cooperating with the latch means to penetrate tissue adjacent toe vessel to be closed. This penetrating means aids in insuring a tissue free latch which interlocks when the leg members are closed about a vessel even if the vessel has not been fully dissected from surrounding tissue. In certain embodiments, the improvement may comprise a pointed member extending from the deflectable hook portion with the pointed member disposed so as to penetrate tissue immediately ahead of the deflectable hook portion. In other embodiments of the clips of the present invention wherein the latch means comprises a protrusion extending from one vessel clamping surface towards the opposite vessel clamping surface which protrusion interlocks with a suitable opening in the opposite vessel clamping surface, the protrusion itself may be configured by sharpening and pointing to act as the tissue penetrating means.
In a further aspect of the invention there is provided a hemostatic clip made from a polymer material, the clip comprising a pair of leg members connected at their proximal ends, the leg members diverging from each other from the proximal ends to the distal ends thereof whereby the leg members may be placed on opposite sides of the vessel to be closed, the clip having an interlocking latch means at the distal ends of the leg members, the latch means comprising a return bend deflectable hook port lion disposed at the distal end of the first leg 12393~0 - pa -member, the hook portion comprising a first section extending outwardly from and in line with the first leg member, a second section extending downwardly towards the second leg member from the outer most end of the first section and a third section extending rearwardly towards the proximal end of the leg member from the most downwardly extending end of the second section, the third section having two side surfaces top and bottom surfaces, and an end surface, the end surface extending below the general plane of the bottom surface and being tapered back to the bottom surface to form a sharp pointed member, the second leg member terminating at its distal end in a configuration to be engaged by the deflectable hook portion of the first leg member when the clip is closed, whereby when the clip is placed on a vessel to be closed and the leg members urged towards one another, the sharp pointed member of the first leg member scraps against the distal end of the second leg member to penetrate and displace connective tissue adjacent the vessel to be closed and ensure the latch means interlocks when the clip is closed about the vessel.
Brief Description Of the Drawings The invention will be more fully described in conjunction with the accompanying drawings wherein:
Figure 1 is a perspective view of an improved hemostatic clip of the present invention;
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Figure 2 is a front view taken along line 2-2 of Figure l;
Figure 3 is a front view taken along line 3-3 of Figure l;
Figure 4 is a perspective view of the clip depicted in Figure 1 in a closed position about a blood vessel;
Figure pa is a side view of a hemostatic clip of the present invention immediately prior to the clip being closed about a vessel to be ligated;
Figure 4b is a side view of the clip of Figure 4 with the clip in the fully closed position;
Figure 5 is a side view of one type of instrument that may be used in applying the clips of the present invention;
Figure 6 is an enlarged side view of an improved clip of the present invention in an open position and held in the jaws of the clip applying instrument depicted in Figure 5;
Figure 7 is an enlarged side view of the clip shown in Figure 6 in the closed position in the jaws of the instrument depicted in Figure 5;
Figure is a perspective view of another embodiment of the improve hemostatic clip of the present invention;
Detailed Description Of The Invention Referring to the drawings, there is shown an improved clip 20 of the present invention. As depicted in Figure 1, the clip comprises a pair of leg members 21 and 22 having opposed vessel clamping surfaces 23 and 24. The leg members are connected at their proximal ends by a i EIGHTH
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resilient hinge portion 25. The distal end of one of the leg members terminates in a return bend hook portion 26.
The opposite leg member is somewhat shorter and terminates at its distal end in a portion 27 which can be grasped by the hook portion. The end of this leg member is angled at an obtuse angle to the vessel clamping surface. This angle aids in deflecting the hook portion as the two leg members are brought together about the hinge and allows the hook portion to deflect and then accept the leg member in the area between the inner surface I of the hook portion and the vessel clamping surface 23 of the opposite leg member. The hook portion includes a sharpened pointed end 29 extending from the hoot portion and positioned to lead the hook portion or proceed the hook portion as the clip is being closed. As shown in Figure 2 the hook portion has a protrusion 30 dispersed from the central portion of its inner surface 23. This protrusion fits into the recess 31 positioned in the outer surface 32 of the opposite leg member 22. The protrusion and recess I interlock when the clip is closed to prevent lateral movement of the leg members. The outside surfaces of the leg members each include a cylindrical boss 33 and 34 for use in holding the clip in a suitable instrument and applying the clip from said instrument as will hereinafter be described.
us may be more clearly seen in Figure 4, pa, and 4b when the clip 40 is clamped about a vessel 41 to be closed, assuming that the vessel has not been fully dissected from the surrounding connective tissue 42, (such as would be found in the mesentary) the vessel clamping surfaces are placed on opposite sides of the vessel and the leg members urged together about the resilient hinge 43. The punter-tying sharpened end 44 of the one leg member 45 will pinch and scrape the connective tissue between itself and the gemming surface I of the other leg member 46. This : EIGHTH
1~93~0 scrapping action enhances the tissue penetrating ability of the sharpened end. Once the tissue is penetrated the usual sequence of closure takes place. As the leg menders are urged closer together the leg eyebrow 46 continues to deflect the hook portion 47 and becomes engaged by the leg member 45, thereby locking the clip in place about the vessel without tissue interference with latch security.
Though in the embodiment shown the penetrating means is a sharpened beveled end, the penetrating means may have other configurations such as a pointed end tapered at a plurality of sides, a pointed end, a plurality of pointed ends, etc.
In Figure 5 there is shown a simplified drawing of an instrument for applying the clips of the present invent lion. This instrument 50 comprises a pair of handles 51 and 52 which are connected together at a hinge point 53.
The hanflles are biased with respect to one another by a spring 54. One of handles extends beyond the hinge point on in a first jaw member 55 and the opposite handle extends beyond the hinge point in a complementary second jaw mom-bier 56. The instrument engaging means comprises cylinder-eel bosses extending from the back surfaces of the leg members of the clip 57. These bosses fit into recesses in the jaws of the instrument.
The clip is placed in the jaws with the cylindrical bases in the appropriate recesses. The vessel clasping surfaces of the clip are then placed on opposite sides of the vessel to be closed and the instrument handles urged together closing and locking the clip about the vessel and shutting off the vessel.
Figures 6 and 7 show an enlarged view of the jaws and the recesses in the jaws for holding the clip. In Figure 6 the clip Go is in the open position in the jaws 61 and 62;
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-lZ~3~33~0 (' whereas, in Figure 7 the clip 60 has been dosed by the jaws of the instrument. The clip comprises a pair of leg eyebrows 63 and I connected at their proximal ends by a resilient hinge 65. One of the leg members terminates in a return bend portion 6G which is deflectable. The other leg member terminates in an obtuse angle at its end sun-face 67. On the outer surface of each leg member is a cylindrical boss I and 69. The bosses are engaged by complementary recesses 70 and 71 in the jaws of the instrument. As may be seen, the ends of the jaws have been sloped away from the general surfaces of the jaws.
The reasons for this are more clearly seen in Figure 7.
As may be seen in Figure 7, as the leg members are urged towards one another, the deflectable hook portion is deflected and engages the end of the second leg member.
The deflectable hook portion includes a penetrating point or blade 72 which is a sharpened point. As the clip is closed, the penetrating point will separate and penetrate through the tissue still attached to the vessel to be closed. The cut-away portions of the jaws of the incitory-mint allow the deflectable portion and the sharpened point free movement about the other leg member so that the clip may be closed as is seen in Figure 7. In the preferred embodiments of the clip of the present invention as the clip is closed the point or blade scrapes along the end surface 67 of the opposite leg member. This scraping action enhances the penetration of the tissue by the penetrating point or blade.
In Figure there is shown another embodiment of the improved clip of the present invention. In this embody-mint, the clip 80 comprises a pair of leg members I and 82 connected at their proximal ends by a double strap type hinge portion 83. At the distal end of one leg member there is a sharp pointed sawed tooth protrusion I. At the distal end of the opposite leg member there is an EIGHTH
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interlocking opening I for accepting the protrusion. The leg members on each of their outer surfaces carry an appropriate instrument engaging means I for applying the clip. In use, the vessel clamping surfaces I and I are placed on opposite sides of the vessel to be closed. The legs are urged together and the sharpened protrusion rear-fly penetrates any tissue still attached or surrounding the vessel. The legs are urged together and the preheater-soon engaged by the opening in the distal end of the oppo-site leg member anal the clip locked closing the vessel.
It should be pointed out that although I've shown resin-tent hinges connecting the leg members, other types of connecting means such as non-resilient hinges or inter-locking means may be used to connect the proximal ends of the leg members. Also, as Jay be appreciated, the distal ends of the leg members may have other interlocking means.
Nat is important is that the distal end of at least one of the leg members includes or carry a penetrating means to allow that distal end to penetrate connective tissue and allow the clip to be closed and locked about the vessel thus providing hemostasis.
The clips of the present invention may be made from various polymeric materials, either absorbable or non-absorbable. Suitable absorbable polymer materials are the polymers and copolymers, of glycolides, lactides, polydioxanones, and the like. Suitable non-absorbable polymeric materials are nylon, polypropylene, polyesters, etc. The clips of the present invention are provided in a sterile state ready for medical and surgical uses.
Depending on the polymeric material used, the clips may be sterilized either by heat, radiation, ethylene oxide treatment or other well known sterilization methods.
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Having now described the present invention, it will be readily apparent to those swilled in the art that various modifications and variations Jay be made without departing from the spirit and scope of the present invention.
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Claims (2)
PROPERTY OR PRIVILEGE IS CLAIMED ARE DEFINED AS FOLLOWS.
1. A hemostatic clip made from a polymer material, said clip comprising a pair of leg members connected at their proximal ends, said leg members diverging from each other from the proximal ends to the distal ends thereof whereby said leg members may be placed on opposite sides of the vessel to be closed, said clip having an interlocking latch means at the distal ends of said leg members, said latch means comprising a return bend deflectable hook portion disposed at the distal end of the first leg member, said hook portion comprising a first section extending outwardly from and in line with said first leg member, a second section extending downwardly towards the second leg member from the outer most end of said first section and a third section extending rearwardly towards the proximal end of said leg member from the most downwardly extending end of said second section, said third section having two side surfaces top and bottom surfaces, and an end surface, said end surface extending below the general plane of said bottom surface and being tapered back to said bottom surface to form a sharp pointed member, said second leg member terminating at its distal end in a configuration to be engaged by the deflectable hook portion of said first leg member when said clip is closed, whereby when the clip is placed on a vessel to be closed and the leg members urged towards one another, the sharp pointed member of the first leg member scraps against the distal end of said second leg member to penetrate and displace connective tissue adjacent the vessel to be closed and ensure said latch means interlocks when the clip is closed about the vessel.
2. The hemostatic clip according to claim 1 wherein the distal end of said leg member is beveled to act as a cam-ming surface and the sharp pointed member of said first leg member scraps against said beveled surface as the clip is closed.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US500,062 | 1983-06-01 | ||
| US06/500,062 US4579118A (en) | 1983-06-01 | 1983-06-01 | Hemostatic clip with penetration means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1239320A true CA1239320A (en) | 1988-07-19 |
Family
ID=23987886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000455529A Expired CA1239320A (en) | 1983-06-01 | 1984-05-31 | Hemostatic clip with penetration means |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US4579118A (en) |
| EP (1) | EP0128011B1 (en) |
| JP (1) | JPS59225046A (en) |
| AR (1) | AR231912A1 (en) |
| AU (1) | AU566020B2 (en) |
| BR (1) | BR8402644A (en) |
| CA (1) | CA1239320A (en) |
| DE (1) | DE3464844D1 (en) |
| HK (1) | HK51488A (en) |
| IN (1) | IN160327B (en) |
| SG (1) | SG6288G (en) |
| ZA (1) | ZA844137B (en) |
Families Citing this family (45)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0657218B2 (en) * | 1985-05-10 | 1994-08-03 | エチコン・インコ−ポレ−テツド | Ligation clip and clip application device |
| US4741337A (en) * | 1985-07-17 | 1988-05-03 | Ethicon, Inc. | Surgical fastener made from glycolide-rich polymer blends |
| US4983179A (en) * | 1986-12-30 | 1991-01-08 | Smith & Nephew Dyonics Inc. | Arthroscopic surgical instrument |
| US4834729A (en) * | 1986-12-30 | 1989-05-30 | Dyonics, Inc. | Arthroscopic surgical instrument |
| GB2212201B (en) * | 1987-11-10 | 1992-06-03 | Donn Casey | Surgical clip |
| US5062846A (en) * | 1989-03-28 | 1991-11-05 | Edward Weck Incorporated | Penetrating plastic ligating clip |
| FR2661327A1 (en) * | 1990-04-25 | 1991-10-31 | Berten David | FEMALE ANIMAL STERILIZATION EQUIPMENT BY ISCHEMIA. |
| US5234449A (en) * | 1992-07-16 | 1993-08-10 | Ethicon, Inc. | Suture clip with reduced hinge mass |
| US5833700A (en) * | 1995-03-15 | 1998-11-10 | Ethicon Endo-Surgery, Inc. | Sterile occlusion fasteners and instrument and method for their placement |
| US6193732B1 (en) | 1999-01-08 | 2001-02-27 | Cardiothoracic System | Surgical clips and apparatus and method for clip placement |
| GB9916484D0 (en) * | 1999-07-15 | 1999-09-15 | Femcare Ltd | Surgical clip |
| US20020082621A1 (en) | 2000-09-22 | 2002-06-27 | Schurr Marc O. | Methods and devices for folding and securing tissue |
| WO2003005911A1 (en) * | 2001-07-09 | 2003-01-23 | Tyco Healthcare Group Lp | Right angle clip applier apparatus and method |
| AU2003225110A1 (en) * | 2002-04-22 | 2003-11-03 | Tyco Healthcare Group, Lp | Endoscopic surgical clip |
| US20030229368A1 (en) * | 2002-04-22 | 2003-12-11 | Viola Frank J. | Endoscopic surgical clip |
| US7131977B2 (en) * | 2002-08-27 | 2006-11-07 | Pilling Weck Incorporated | Apparatus and method for removing a clip |
| US6863675B2 (en) * | 2002-09-20 | 2005-03-08 | Pilling Weck Incorporated | Ligating clip with integral penetrating hook |
| WO2004080290A2 (en) * | 2003-03-11 | 2004-09-23 | Tyco Healthcare Group, Lp | Clip applying apparatus with angled jaw |
| US8075576B2 (en) * | 2006-08-24 | 2011-12-13 | Boston Scientific Scimed, Inc. | Closure device, system, and method |
| BRPI0701909A2 (en) * | 2007-05-03 | 2008-12-16 | Fabio Cesar Atui | hemostatic clip, device for applying a hemostatic clip and its use |
| US10136898B2 (en) | 2010-03-09 | 2018-11-27 | Teleflex Medical Incorporated | Narrow profile surgical ligation clip |
| US10335157B2 (en) * | 2010-10-02 | 2019-07-02 | Covidien Lp | Asymmetrical surgical clip with penetrating lock, non-slip clamping surface, severable hinge, hinge boss and pivoting applicator tip |
| US9011464B2 (en) * | 2010-11-02 | 2015-04-21 | Covidien Lp | Self-centering clip and jaw |
| US20140018829A1 (en) * | 2010-12-28 | 2014-01-16 | Castle Surgical, Inc. | Sliding overhead clip and associated methods |
| EP2755578A2 (en) | 2011-09-15 | 2014-07-23 | Teleflex Medical Incorporated | Manual surgical ligation clip applier |
| JP6754169B2 (en) * | 2011-10-20 | 2020-09-09 | テレフレックス ライフ サイエンシーズ アンリミテッド カンパニー | Ligature clip |
| US9131987B2 (en) | 2011-12-02 | 2015-09-15 | Ethicon Endo-Surgery, Inc. | Elbow assembly for surgical devices |
| US9179927B2 (en) | 2011-12-02 | 2015-11-10 | Ethicon Endo-Surgery, Inc. | Surgical methods using a surgical device having a fixed angular orientation |
| US9211159B2 (en) | 2011-12-02 | 2015-12-15 | Ethicon Endo-Surgery, Inc. | Surgical devices with intracorporeal elbow joint |
| US8617203B2 (en) * | 2011-12-02 | 2013-12-31 | Ethicon Endo-Surgery, Inc. | Jaw assembly for surgical devices |
| CN102631232A (en) * | 2012-05-09 | 2012-08-15 | 何定甫 | Umbilical cord amputator |
| US9282972B1 (en) * | 2012-10-14 | 2016-03-15 | Innovative Urololy, Llc | Surgical clips with penetrating locking mechanism and non-slip clamping surfaces |
| US9220507B1 (en) * | 2012-10-14 | 2015-12-29 | Manoj B. Patel | Tissue spreading vascular clips with locking mechanism and non-slip clamping surfaces |
| NL2010046C2 (en) * | 2012-12-21 | 2014-06-24 | Basiq B V | Surgical cutter. |
| CN103892884B (en) * | 2014-04-17 | 2016-02-24 | 苏州奥芮济医疗科技有限公司 | Metallic blood vessel folder of a kind of orientable degraded and absorbed and preparation method thereof |
| EP3310270A4 (en) | 2015-06-16 | 2019-04-10 | Nanova Biomaterials, Inc. | Anti-migration surgical ligation clip |
| CA3032824C (en) | 2016-08-03 | 2021-04-27 | Teleflex Medical Incorporated | Surgical ligation clip |
| JP7026127B2 (en) | 2017-03-21 | 2022-02-25 | テレフレックス メディカル インコーポレイテッド | Clip applier with stabilizer |
| JP7416624B2 (en) | 2017-03-21 | 2024-01-17 | テレフレックス メディカル インコーポレイテッド | surgical clips and clip appliers |
| US11534177B2 (en) | 2017-03-21 | 2022-12-27 | Teleflex Medical Incorporated | Flexible stabilizing member for a clip applier |
| US10945740B2 (en) | 2017-06-22 | 2021-03-16 | Teleflex Medical Incorporated | Surgical clip |
| USD808522S1 (en) | 2017-07-11 | 2018-01-23 | Vesolock Medical, Llc | Latching ends of a polymer ligating clip |
| CN107661136A (en) * | 2017-10-27 | 2018-02-06 | 乐普（北京）医疗器械股份有限公司 | A kind of hysteroscope is closed with degradable Metal Substrate vascular tissue and pressed from both sides |
| JP7174048B2 (en) | 2017-11-14 | 2022-11-17 | テレフレックス メディカル インコーポレイテッド | surgical clip |
| CN117379131B (en) * | 2023-10-25 | 2024-03-22 | 中国人民解放军总医院第一医学中心 | Hemostatic clamp |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3150666A (en) * | 1963-01-07 | 1964-09-29 | Louis H Averbach | Umbilical cord ligation device |
| US3463156A (en) * | 1965-05-27 | 1969-08-26 | Edward B Mcdermott | Hemostatic clip and applicator |
| US3378010A (en) * | 1965-07-28 | 1968-04-16 | Coldling | Surgical clip with means for releasing the clamping pressure |
| US3584628A (en) * | 1968-10-11 | 1971-06-15 | United States Surgical Corp | Wire suture wrapping instrument |
| US3612475A (en) * | 1969-04-02 | 1971-10-12 | Amp Inc | Flexible tube closure |
| US3856016A (en) * | 1972-11-03 | 1974-12-24 | H Davis | Method for mechanically applying an occlusion clip to an anatomical tubular structure |
| DE2525650C3 (en) * | 1975-06-09 | 1978-05-24 | B. Braun Melsungen Ag, 3508 Melsungen | Clamp for blocking fallopian tubes and vas deferens in the human and animal body |
| US4112951A (en) * | 1976-01-26 | 1978-09-12 | Research Corporation | Surgical clip |
| IN151996B (en) * | 1979-06-18 | 1983-09-17 | Ethicon Inc | |
| US4434795A (en) * | 1979-06-18 | 1984-03-06 | Ethicon, Inc. | Instrument for applying ligating clips |
| US4394864A (en) * | 1981-04-15 | 1983-07-26 | Jeffrey Sandhaus | Apparatus and method for effecting occlusion of the vas deferens |
| US4449531A (en) * | 1981-08-27 | 1984-05-22 | Ethicon, Inc. | Non-metallic, bio-compatible hemostatic clips with interlocking latch means |
| US4450839A (en) * | 1982-02-26 | 1984-05-29 | Ethicon, Inc. | Surgical clip applier with serpentine spring clip feeder |
-
1983
- 1983-06-01 US US06/500,062 patent/US4579118A/en not_active Expired - Lifetime
-
1984
- 1984-05-28 IN IN365/CAL/84A patent/IN160327B/en unknown
- 1984-05-30 JP JP59108708A patent/JPS59225046A/en active Pending
- 1984-05-30 ZA ZA844137A patent/ZA844137B/en unknown
- 1984-05-31 AR AR296803A patent/AR231912A1/en active
- 1984-05-31 DE DE8484303654T patent/DE3464844D1/en not_active Expired
- 1984-05-31 EP EP84303654A patent/EP0128011B1/en not_active Expired
- 1984-05-31 BR BR8402644A patent/BR8402644A/en not_active IP Right Cessation
- 1984-05-31 CA CA000455529A patent/CA1239320A/en not_active Expired
- 1984-05-31 AU AU28918/84A patent/AU566020B2/en not_active Expired
-
1988
- 1988-01-26 SG SG62/88A patent/SG6288G/en unknown
- 1988-07-07 HK HK514/88A patent/HK51488A/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| AR231912A1 (en) | 1985-04-30 |
| JPS59225046A (en) | 1984-12-18 |
| IN160327B (en) | 1987-07-04 |
| ZA844137B (en) | 1986-01-29 |
| BR8402644A (en) | 1985-05-07 |
| AU2891884A (en) | 1984-12-06 |
| EP0128011B1 (en) | 1987-07-22 |
| EP0128011A1 (en) | 1984-12-12 |
| SG6288G (en) | 1988-06-17 |
| DE3464844D1 (en) | 1987-08-27 |
| AU566020B2 (en) | 1987-10-08 |
| HK51488A (en) | 1988-07-15 |
| US4579118A (en) | 1986-04-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |